Autonomous nutrient monitor for field, plant, or lab applications.

General

• Power: voltage 10 - 15 dc, current per channel (mA) heating max. 820, motors 160-260, idle 90

• Communications: RS232 9600,N,8,1

• Maximum inlet length: 1m, 0.66m vertical head

Analytical - 1

• Ranges (detection limit to linear range)

  High Sensitivity Detectors (6.4mm pathlength)

• mg/L: N+N 0.003 to 0.70, Nitrite 0.002 to 0.5, Phosphate 0.004 to 1.0, Ammonia/Ammonium 0.004 to 1.0, Silicate 0.005 to 1.7 

• micro mol/L: N+N 0.2 to 50, Nitrite 0.2 to 35, Phosphate 0.3 to 25, Ammonia/Ammonium 0.3 to 20, Silicate 0.2 to 60 

Low Sensitivity Detectors (2mm pathlength)

• mg/L: N+N 0.01 to 2.8, Nitrite 0.008 to 2.1, Phosphate 0.025 to 2.0, Ammonia/Ammonium 0.02 to 1.0, Silicate 0.04 to 2.8

• micro mol/L: Nitrate 0.8 - 200, Nitrite 0.6 - 150, Phosphate 1.0 - 75, Ammonia/Ammonium 1.5 to 75, Silicate 1.5 to 100

Analytical - 2

• Precision (one SD @ midrange of scale): Nitrate 3%, Nitrite 2%, Phosphate 3%, Ammonium 3%, Silicate 3%

• Expanded Ranges: Up to 10 mg/l through dilution macro

• Accuracy: Based on the accuracy of the preserved on-board standard and sample replicate precision

• Analyses: Typically 1000 per channel per deployment. Controlled by reagent payload and chemistryAnalysis Time: N+N 20min, Nitrite 15min, Phosphate 20min, Ammonium 20min, Silicate 16min